Created
June 4, 2019 12:13
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Modulaser out of bounds code
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| export function streamFrame(_points: Point[]) { | |
| // TODO: dunno how expensive this function call is but it could be done less | |
| const applyPerspective = dacConfig.projectionMap | |
| ? projectionMap(dacConfig.projectionMap) | |
| : DEFAULT_PROJECTION_MAP; | |
| let blankedPrevious = false; | |
| scene.points = _points.reduce((acc: Point[], p: Point) => { | |
| let { x, y } = p; | |
| const { r, g, b } = p; | |
| const outOfBounds = | |
| dacConfig.blankOutOfBounds && (x < 0 || x > 1 || y < 0 || y > 1); | |
| if (outOfBounds && blankedPrevious) { | |
| // Skip if already blanked previous and still out of bounds. | |
| return acc; | |
| } | |
| if (dacConfig.blankOutOfBounds) { | |
| x = Math.max(Math.min(x, 1), 0); | |
| y = Math.max(Math.min(y, 1), 0); | |
| } | |
| const coordinates = applyPerspective(x, y); | |
| x = Math.max(Math.min(coordinates[0], 1), 0); | |
| y = Math.max(Math.min(coordinates[1], 1), 0); | |
| if (outOfBounds) { | |
| // Add wait before laser goes off. | |
| for (let index = 0; index < 8; index++) { | |
| acc.push({ x, y, r, g, b }); | |
| } | |
| blankedPrevious = true; | |
| return acc; | |
| } | |
| if (blankedPrevious) { | |
| // Add blanking points on new coordinates. | |
| for (let index = 0; index < 20; index++) { | |
| acc.push({ x, y, r: 0, g: 0, b: 0 }); | |
| } | |
| } | |
| acc.push({ x, y, r, g, b }); | |
| blankedPrevious = false; | |
| return acc; | |
| }, []); | |
| } |
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